Home / 8,389.22-12,569.24-4,486.64

Finding the Fourth Proportional to 8,389.22, 12,569.24 and 4,486.64

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Solution

The fourth proportional to 8,389.22, 12,569.24 and 4,486.64 is: 6,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.22 : 12,569.24 = 4,486.64 : x
  2. Step 2: Convert to fraction form
    8,389.22/12,569.24 = 4,486.64/x
  3. Step 3: Cross multiply
    8,389.22x = 12,569.24 × 4,486.64
  4. Step 4: Simplify right side
    8,389.22x = 56,393,603.32
  5. Step 5: Solve for x
    x = 56,393,603.32/8,389.22
  6. Step 6: Final answer
    x = 6,722.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.